"Volcanic landscape of Atakor near Assekrem, Hoggar, Ahaggar Mountains, Wilaya Tamanrasset, Algeria, Sahara, North Africa, Africa"

"Small erg or sand dunes near Tehenadou, Adrar n'Ahnet, Adrar Ahnet, Algeria, Sahara, North Africa, Africa"

"Sand dunes at Erg Takaraft, Erg Takaraft, Immidir or Mouydir, Sahara, Tamanrasset Province, Algeria, Africa"

"Sand dunes at Erg Takaraft, Erg Takaraft, Immidir or Mouydir, Sahara, Tamanrasset Province, Algeria, Africa"

"Small erg or sand dunes near Tehenadou, Adrar n'Ahnet, Adrar Ahnet, Algeria, Sahara, North Africa, Africa"

"Sand dunes at Erg Mehejibad, Sahara, Erg Mehejibad, Immidir or Mouydir, Sahara, Tamanrasset Province, Algeria, Africa"

"Two camels in volcanic landscape of Atakor, Hoggar, Ahaggar Mountains, Wilaya Tamanrasset, Algeria, Sahara, North Africa, Africa"

"Sandstone rock formation and sand dunes, Adrar Tekemberet, Immidir, Algeria, Sahara, North Africa, Africa"

"Sand patterns on the surface of a dune, Dunes Noires, Tadrart, Tassili n'Ajjer National Park, Algeria, Sahara, North Africa, Africa"

"Sand dunes of Erg Essendilene or Erg Admer, Tassili N'Ajjer National Park, Unesco World Heritage Site, Sahara desert, Algeria, North Africa, Africa"

"Sand patterns on the surface of a red dune, Tin Merzouga, Tadrart, Tassili n'Ajjer National Park, Algeria, Sahara, North Africa, Africa"

"Diatreme, volcanic pipe, landscape of Atakor, Hoggar, Ahaggar Mountains, Wilaya Tamanrasset, Algeria, Sahara, North Africa, Atakor, Ahaggar, Hoggar Mountains, Sahara, Tamanrasset Province, Algeria, Africa"

"Sand dunes, Erg Chebbi, Morocco, Africa"

"Sand dunes, Erg Chebbi, Morocco, Africa"

"Sand structur, sand dunes of the Libyan desert, Erg Murzuq, Libya, Sahara, North Africa, Africa"

The sand dunes of Erg Chebbi, at the western edge of the Sahara desert, Meknès-Tafilalet, Morocco, Africa

The sand dunes of Erg Chebbi at the western edge of the Sahara desert, Meknès-Tafilalet, Morocco, Africa

The sand dunes of Erg Chebbi in evening light, at the western edge of the Sahara desert, Meknès-Tafilalet, Morocco, Africa

Patterns of sand and shadow on the sand dunes of Erg Chebbi in evening light, at the western edge of the Sahara desert, Meknès-Tafilalet, Morocco, Africa

"Sand dune of Erg Tihodaine, Wilaya Tamanrasset, Algeria, Sahara, North Africa, Africa"